Learjet 24 airworthiness directives

Aircraft by year built · 58

1965Registered nowDeregistered2026

Aircraft by the year they were built: 58 aircraft
1965	2
1966	21
1967	14
1968	16
1969	1
1970	1
1976	1
1980	1
1990	1

Airworthiness directives that may apply · 33

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1966In forceSuperseded2026

ADs by the year they took effect: 34 ADs
1966	2
1969	1
1971	1
1974	2
1975	1
1976	1
1978	3
1979	1
1980	2
1981	2
1984	2
1985	1
1986	2
1988	1
1989	1
1992	1
1995	2
1999	1
2001	1
2005	4
2007	1
2008	1

Airframe · Learjet 24

AD 2006-16-18 R1Installing a warning placard on the TAWS/RMIEffective Jul 18, 2008 · Supersedes AD 2006-16-18 AD 2007-04-18Left- and right-hand standby fuel pump switchesEffective Mar 23, 2007 AD 2005-23-06Thrust reverser hydraulic systemEffective Dec 19, 2005

See all 34 ADs

Query with SQL

duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('5170302'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('5170302'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Information bulletins that may apply · 3

Airframe · Learjet 24

SAIB 2026-07MAIN LANDING GEAR ATTACH SECTION, Trunnion PinsIssued Mar 19, 2026 SAIB NM-13-38Flight Controls Control Column SectionIssued Jun 24, 2013 SAIB CE-02-19Issued Mar 11, 2002

Query with SQL

duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('5170302'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('5170302'))
GROUP BY s.saib_number ORDER BY issue_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Registered aircraft · 7

N100VQNational Aviation Academy Of Mississippi Inc · Clearwater, FLS/N 140 N24SAClark Lloyd E · Hanover, MDS/N 24-117 N24WXTre Aviation Corp · Wilmington, DEBuilt 1966 · S/N 101 N3137Avstar Inc · Seattle, WABuilt 1966 · S/N 123 N45ED45ed LLC · Calhoun, GABuilt 1966 · S/N 104 N68LULewis University · Romeoville, ILBuilt 1968 · S/N 163 N711CWPremier Jets Inc · Hillsboro, ORBuilt 1965 · S/N 055

Query with SQL

duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('5170302')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE aircraft_model_code IN ('5170302')
ORDER BY n_number

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

STCs approved for this model · 93

STC SA00179WIInstallation of pressure dome provision for an infrared scanner in the camera door.Avcon Industries Inc STC SA01213CHInstall air ambulance conversion in accordance with Spectrum Aeromed Inc. Drawings as listed on AML SA01213CH, or later FAA approved revision.Spectrum Aeromed LLC dba Spectrum Aeromed STC SA01452CHInstallation of an air ambulance conversion kit.Med-Pac Inc.

See all 93 STCs

Query with SQL

duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
  WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = '24')
  ORDER BY s.status = 'Current' DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT s.stc_number, s.description, s.holder, s.status, s.status_date
FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = '24')
ORDER BY s.status = 'Current' DESC, s.stc_number

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB investigations · 9

Aircraft matched to this model through the registry, by N-number and event date.

First occurrence, 1982 to 2007

Of 5 cases with NTSB’s older coding, defined in its coding manual.

NTSB CHI97LA053Accident · No injuriesLimited investigationFinal reportLearjet 24 · Muscatine, IAthe pilot's failure to maintain directional control. A factor was the snow covered runway edge.Jan 16, 1997 · N991TD · Substantial damage NTSB ATL90LA080Accident · Serious injuriesLimited investigationFinal reportLearjet 24 · Anderson, SCElectrical arcing which resulted from a short in the pilot's map light circuit; a chafted wire contacted the oxygen supply line at the oxygen control panel in the cockpit. A factor in the accident was the inadequate design of the oxygen panel plumbing and…Mar 16, 1990 · N100VQ · Substantial damage NTSB MIA86LA149Accident · Minor injuriesLimited investigationFinal reportLearjet 24 · Hollywood, FLThe plt stated he made a normal apch and landing but on rollout discovered he had no brakes. The acft traveled off the left side of the rwy and collided with a fence surrounding a ballpark. Post crash examination of the hydraulic system revealed that the…May 7, 1986 · N55NJ · Substantial damage NTSB MIA86LA003Accident · No injuriesLimited investigationFinal reportCessna 414 · Sarasota, FLThe plt stated that his right main gear would not extend, so he circled the arpt for about 1/2 hour to burn off excess fuel, retracted the remaining gear & intentionally landed gear up on rwy 32. Examination of the right main landing it to extend beyond it's…Oct 4, 1985 · N24ET · Substantial damage NTSB LAX85MA008Accident · 3 fatalMajor investigationFinal reportGates Learjet 24B · San Francisco, CAThe acft, a Gates lear jet 24B, modified by a howard/raisebach mark ii conversion, was cleared for takeoff on rwy 28L. Tower psnl estimated that the acft rotated for takeoff at 3200' down the rwy & was at aprx 200' AGL when the plt was instructed to contact…Oct 9, 1984 · N864CL · Destroyed NTSB DCA82AA001Accident · 3 fatalClosedLearjet 24 · Felt, OKOct 1, 1981 · N44CJ · Destroyed NTSB LAX79FA004Accident · 1 fatalClosedLear Jet 24 · Lancaster, CAOct 17, 1978 · N123RE · Destroyed NTSB MIA73AM087Accident · 7 fatalClosedGates Lear 24 · Atlanta, GAFeb 26, 1973 · N454RN · Destroyed NTSB CHI73AC072Accident · 2 fatalClosedLear 24 · Belleville, MIFeb 21, 1973 · N100SQ · Destroyed

Query with SQL

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey WHERE a.aircraft_model_code IN ('5170302') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('5170302')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('5170302')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

FAA incident reports · 28

Matched to this model through the registry, by N-number and event date.

Incident 20030612019189ILear 24 · Ft Lauderdale, FL(-23) N24ET was on a duly documented ferry flight to richmond air center, indianapolis, IN. The a/c was serviced by banyan air service, ft. Lauderdale, FL prior to the departure. The ferry permit was issued with a special a/w certificate on 6/11/03 by frank…Jun 12, 2003 · N24ET · Minor damage Incident 20020302002669ILear 24 · Rapid City, SD(-23) On March 2, 2002, N24LJ, a Learjet 24 was taxiing to runway 32 when it slid off taxiway alpha to the west. Taxiway had icy areas with frost. Winds were 20 KTS gusting to 25 KTS out of 360. Pilot had aircraft towed in and checked by maintenance as a…Mar 2, 2002 · N24LG Incident 20000108022809ILear 24 · Fort Wayne, IN(-23)At 42000 ft. climbing the cabin alt horn sounded. Aircraft descended and horn went off at lower alt. Aircraft landed with no difficulty.Jan 8, 2000 · N994TD

See all 28 incident reports

Query with SQL

duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('5170302')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE aircraft_model_code IN ('5170302')
ORDER BY event_date DESC, report_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Service difficulty reports · 42

SDR HAEA200900211Pump · failedON DESCENT, ACFT HYD PRESSURE GAUGE READ ZERO. LANDING GEAR EXTENDED MANUALLY. ACFT LANDED NORMALLY. MX REPLACED NR1 AND NR2 ENGINE DRIVEN HYD PUMP. OPS CHECK GOOD AFTER MX. [CLOSED]Oct 2, 2009 · N277TW · Lear 24 · Hydraulic Pump (Electric/Engine), Main SDR HAEA200900208Housing · crackedACFT LOST MAIN HYD PRESSURE DURING DECENT INTO 'FAR'. ON LANDING ROLL OUT DEPLOYED DRAG CHUTE AND ACTIVATED EMERGENCY BRAKE. MX DISCOVERED THE NR 3 BRAKE HSG CRACKED RESULTING IN FLUID LOSS. DRAG CHUTE REPACKED, HYD RESERVOIR SERVICED, BRAKE CHANGED AND LEAK CFeb 19, 2009 · N237TW · Lear 24 · Brake SDR 2008FA0000157Yaw Damper · faultyTHIS PART FAILED TO OPERATE DURING FIRST FLIGHT AFTER INSTALLATION AT CRUISE.Jan 8, 2008 · N989TL · Lear 24 · Autopilot System

See all 42 difficulty reports

Query with SQL

duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '24'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE aircraft_model_key = '24'
ORDER BY difficulty_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Gates Learjet 240 registered aircraftRegistry code 5170301

Query with SQL

duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
  WHERE m.match_key = '24' AND m.code NOT IN ('5170302')
  GROUP BY ALL
  ORDER BY aircraft DESC
  LIMIT 12"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = '24' AND m.code NOT IN ('5170302')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.